Add close-issues script and GitHub Action

- Create script/github/close-issues.ts to close stale issues after 60 days
- Add GitHub Action workflow to run daily at 2 AM
- Remove old stale-issues workflow to avoid conflicts

script/github/close-issues.ts

@@ -0,0 +1,92 @@
+#!/usr/bin/env bun
+
+const repo = "anomalyco/opencode"
+const days = 60
+const msg =
+  "To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one."
+
+const token = process.env.GITHUB_TOKEN
+if (!token) {
+  console.error("GITHUB_TOKEN environment variable is required")
+  process.exit(1)
+}
+
+const cutoff = new Date(Date.now() - days * 24 * 60 * 60 * 1000)
+
+type Issue = {
+  number: number
+  updated_at: string
+}
+
+const headers = {
+  Authorization: `Bearer ${token}`,
+  "Content-Type": "application/json",
+  Accept: "application/vnd.github+json",
+  "X-GitHub-Api-Version": "2022-11-28",
+}
+
+async function close(num: number) {
+  const base = `https://api.github.com/repos/${repo}/issues/${num}`
+
+  const comment = await fetch(`${base}/comments`, {
+    method: "POST",
+    headers,
+    body: JSON.stringify({ body: msg }),
+  })
+  if (!comment.ok) throw new Error(`Failed to comment #${num}: ${comment.status} ${comment.statusText}`)
+
+  const patch = await fetch(base, {
+    method: "PATCH",
+    headers,
+    body: JSON.stringify({ state: "closed", state_reason: "not_planned" }),
+  })
+  if (!patch.ok) throw new Error(`Failed to close #${num}: ${patch.status} ${patch.statusText}`)
+
+  console.log(`Closed https://github.com/${repo}/issues/${num}`)
+}
+
+async function main() {
+  let page = 1
+  let closed = 0
+
+  while (true) {
+    const res = await fetch(
+      `https://api.github.com/repos/${repo}/issues?state=open&sort=updated&direction=asc&per_page=100&page=${page}`,
+      { headers },
+    )
+    if (!res.ok) throw new Error(res.statusText)
+
+    const all = (await res.json()) as Issue[]
+    if (all.length === 0) break
+
+    const stale: number[] = []
+    for (const i of all) {
+      const updated = new Date(i.updated_at)
+      if (updated < cutoff) {
+        stale.push(i.number)
+      } else {
+        console.log(`\nFound fresh issue #${i.number}, stopping`)
+        if (stale.length > 0) {
+          await Promise.all(stale.map(close))
+          closed += stale.length
+        }
+        console.log(`Closed ${closed} issues total`)
+        return
+      }
+    }
+
+    if (stale.length > 0) {
+      await Promise.all(stale.map(close))
+      closed += stale.length
+    }
+
+    page++
+  }
+
+  console.log(`Closed ${closed} issues total`)
+}
+
+main().catch((err) => {
+  console.error("Error:", err)
+  process.exit(1)
+})